/*
 * Copyright 2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.yarn.batch.partition;

import org.springframework.batch.item.ItemReader;
import org.springframework.stereotype.Component;

@Component("reader")
public class ExampleItemReader implements ItemReader<String> {

	private String[] input = { "Hello world!", null };

	private int index = 0;

	public String read() throws Exception {
		if (index < input.length) {
			return input[index++];
		} else {
			return null;
		}

	}

}
